Gemstone



FIG. 1 is a top view of an exemplary embodiment of a gemstone showing my new design;

FIG. 2 is a perspective bottom view of the gemstone of FIG. 1;

FIG. 3 is a right side view of the gemstone of FIG. 1;

FIG. 4 is a rear view of the gemstone of FIG. 1; and,

FIG. 5 is a bottom view of the gemstone of FIG. 1.

The portions of the gemstone that are not shown in the drawing do not form any part of the claimed design. 

The ornamental design of the gemstone, as shown and described. 